Base | Representation |
---|---|
bin | 11001101001001… |
… | …10000110010100 |
3 | 112222202221010002 |
4 | 30310212012110 |
5 | 420032123012 |
6 | 33202350432 |
7 | 5221303622 |
oct | 1464460624 |
9 | 488687102 |
10 | 215114132 |
11 | 100476482 |
12 | 6005b418 |
13 | 3574988c |
14 | 207d8512 |
15 | 13d427c2 |
hex | cd26194 |
215114132 has 12 divisors (see below), whose sum is σ = 378422016. Its totient is φ = 106993560.
The previous prime is 215114129. The next prime is 215114173. The reversal of 215114132 is 231411512.
It is a super-2 number, since 2×2151141322 = 92548179572226848, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140018 + ... + 141545.
It is an arithmetic number, because the mean of its divisors is an integer number (31535168).
Almost surely, 2215114132 is an apocalyptic number.
It is an amenable number.
215114132 is a deficient number, since it is larger than the sum of its proper divisors (163307884).
215114132 is a wasteful number, since it uses less digits than its factorization.
215114132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281758 (or 281756 counting only the distinct ones).
The product of its digits is 240, while the sum is 20.
The square root of 215114132 is about 14666.7696511536. The cubic root of 215114132 is about 599.1786279449.
Adding to 215114132 its reverse (231411512), we get a palindrome (446525644).
The spelling of 215114132 in words is "two hundred fifteen million, one hundred fourteen thousand, one hundred thirty-two".
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